85701142536 has 32 divisors (see below), whose sum is σ = 223568199360. Its totient is φ = 27325001792.

The previous prime is 85701142523. The next prime is 85701142567. The reversal of 85701142536 is 63524110758.

It is a happy number.

It is a super-2 number, since 2×85701142536² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77627295 + ... + 77628398.

It is an arithmetic number, because the mean of its divisors is an integer number (6986506230).

Almost surely, 2^85701142536 is an apocalyptic number.

It is an amenable number.

85701142536 is an abundant number, since it is smaller than the sum of its proper divisors (137867056824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85701142536 is a wasteful number, since it uses less digits than its factorization.

85701142536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155255725 (or 155255721 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 85701142536 in words is "eighty-five billion, seven hundred one million, one hundred forty-two thousand, five hundred thirty-six".